Texas Instruments DEM-PCM2912AEVM User Manual page 12

Software
3.1.2.2 Volume Settings
Follow these steps to configure the volume settings for headphones, microphone, and the recording options.
To set the headphone volume:
1. Open the Audio MIDI Settings options (Application→Utility→Set Audio MIDI), as illustrated in
Alternatively, open the Output tab of the Sound options, as illustrated in
2. Set the headphone volume and the audio output levels from –76 dB to 0 dB, and set the desired mute.
To set the record volume:
1. Open the Audio MIDI Settings options (Application→Utility→Set Audio MIDI), as illustrated in
Alternatively, open the Input tab of the Sound options, as illustrated in
2. Set the recording level from –12 dB to +30 dB, and set the desired mute.
12 DEM-PCM2912A Evaluation Module
Figure 3-9. Audio Midi Setting Window (Mac OS)
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SBAU141A – JANUARY 2009 – REVISED APRIL 2024
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